The easiest way to get ruby 1.9 debugging functionality on Ubuntu 12.04

I’ve come across a number of posts giving instructions on how to get debugging to work with ruby 1.9.x and they all seem to involve downloading gems and installing them. Here is what I did on my Ubuntu 12.04 workstations that was very easy though not trivial to figure out. sudo gem install linecache19 –pre …

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